The Champagne Tap: Time to Pop the Cork?

Champagne, a sparkling wine produced from grapes grown in the Champagne region of France, is the requisite drink of celebration, symbolizing all things congratulatory from new years to new unions. A "champagne tap" colloquially refers to a lumbar puncture (LP) with no cerebrospinal (CSF) red blood cells (RBCs), which appears colorless (reminiscent of its clear bubbly namesake) and signifies a technically perfect procedure.